21151636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25301}}^1$

素因数の和:25335

約数の個数: 24

約数和(自身を含む): 42507360

約数和(自身を除く): 21355724

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25301, 50602, 101204, 278311, 480719, 556622, 961438, 1113244, 1922876, 5287909, 10575818, 21151636]

約数ペア:

[(1, 21151636), (2, 10575818), (4, 5287909), (11, 1922876), (19, 1113244), (22, 961438), (38, 556622), (44, 480719), (76, 278311), (209, 101204), (418, 50602), (836, 25301)]